The finest command of language is often shown by saying nothing.
Experiment is folly when experience shows the way.
If things go wrong, don't go with them.
If things are not going well with you, begin your effort at correcting the situation by carefully examining the service you are rendering, and especially the spirit in which you are rendering it.
It is wise to keep in mind that neither success nor failure is ever final.
More people should learn to tell their dollars where to go instead of asking them where they went.